first commit

typo3/sysext/install/Classes/SystemEnvironment/DatabaseCheck.php

@@ -0,0 +1,59 @@
+<?php
+namespace TYPO3\CMS\Install\SystemEnvironment;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+use TYPO3\CMS\Core\Messaging\FlashMessageQueue;
+use TYPO3\CMS\Install\SystemEnvironment\DatabasePlatform\MySqlCheck;
+use TYPO3\CMS\Install\SystemEnvironment\DatabasePlatform\PostgreSqlCheck;
+
+/**
+ * Check database configuration status
+ *
+ * This class is a hardcoded requirement check for the database server.
+ *
+ * The status messages and title *must not* include HTML, use plain
+ * text only. The return values of this class are not bound to HTML
+ * and can be used in different scopes (eg. as json array).
+ *
+ * @internal This class is only meant to be used within EXT:install and is not part of the TYPO3 Core API.
+ */
+class DatabaseCheck implements CheckInterface
+{
+    /**
+     * List of database platforms to check
+     *
+     * @var array
+     */
+    protected $databasePlatformChecks = [
+        MySqlCheck::class,
+        PostgreSqlCheck::class,
+    ];
+
+    /**
+     * Get status of each database platform defined in the list
+     *
+     * @return FlashMessageQueue
+     */
+    public function getStatus(): FlashMessageQueue
+    {
+        $messageQueue = new FlashMessageQueue('install');
+        foreach ($this->databasePlatformChecks as $databasePlatformCheckClass) {
+            $platformMessageQueue = (new $databasePlatformCheckClass)->getStatus();
+            foreach ($platformMessageQueue as $message) {
+                $messageQueue->enqueue($message);
+            }
+        }
+        return $messageQueue;
+    }
+}